Geneticists have a better understanding of how prehistoric pairings unfolded, with new research suggesting they were mostly between male Neanderthals and female humans.

A survey says 5 out of 6 Americans want the US government to do more to protect them and their families from toxins in food, drinking water and consumer products.

NASA’s Mike Fincke has publicly identified himself as the astronaut who had a concerning “medical event” that led to an early exit from the International Space Station.

NASA’s efforts to get the Artemis II mission off the ground have stalled once again, as engineers navigate a new issue with the rocket set to launch four astronauts around the moon.

Some vegans saw an unlikely ally in Robert F. Kennedy Jr. thanks to his stance against vaccine mandates and animal testing, as well as his campaign against processed foods. But new nutritional ...

Saturn’s largest moon, Titan, might have formed after a collision with a lost moon, according to new research.

The Apollo missions changed how scientists understand the moon. Returning with Artemis could help solve some of the biggest lunar mysteries.

The test flight of Boeing’s Starliner capsule — which turned into a monthslong stay in space for two astronauts — was a debacle in the same league as shuttle disasters, NASA said.

Some types of “forever chemicals” are aging men in their 50s and early 60s faster than at other times of life, a new study ...

A new study has analyzed mummified remains of cheetahs in Saudi Arabia caves. The results could help reintroduce cheetahs to the Arabian Peninsula, researchers say.

NASA’s first crewed moon mission in decades was delayed as its engineers grapple with an all-too-familiar rocket problem: hydrogen leaks. Fixing the issue is even trickier than it may seem.

To find the best moisturizers to soften fine lines and replenish dehydrated skin, we enlisted a team of testers to review the best options for mature skin.